It's well established that this is a factor worth addressing at close distances - typically when looking for sharp eyes in portraits.

With the Pentax cameras Quick Shift makes an adjustment possible. If the camera did it automatically, then why not?

Photobucket is the easy answer - it works every time.

Photobucket is free and works without a hitch, so that's what I'd suggest as the easiest option.

Sorted.....

You could start a "loan" thread for the item and I'll make it a "sticky" so it stays at the top. Just keep a track of what's going on and where it is in the thread.

Now -11C here, but quiet as quiet can be, all sound damped by the blanket of snow.

First of all, fit new batteries. Two G13 silver oxide cells will last longest, but alkaline will do. You should not use Lithium batteries.

The operate all the controls, expecially the ASA dial and exposure compensation, to make sure everything is working smoothly.

If the batteries have failed the camera may operate at 1/1000 sec on AUTO and the flash setting will also fire.

The batteries will likely do the trick, which will save you experimenting with the innards!

The M series lenses are beautifully made and as smooth in operation as we are ever likely to find.

Does it happen when you are not using filters?

I've deleted the post as requested, and normally as and when spotted derailing of For Sale threads is stopped.

For Sale threads should be limited to the seller's comments and any relevant questions from interested buyers.